| Share | Phrase |
|---|
| 30.84% | reaction [location] reflect back |
| 16.88% | reflect back pulse [perform operation] |
| 13.66% | partially [degree] reflect back |
| 13.58% | reflect back wave [perform operation] |
| 11.34% | device [connection] reflect back |
| 7.31% | reflect back energy [perform operation] |
| 6.34% | chamber [location] reflect back |